<template>
  <div class="container">
    <!-- <h1>这是 App 组件</h1> -->

    <!-- 1.头部 header -->
    <mt-header fixed title="黑马程序员">
			<span @click="goReturn" slot="left" v-show="flag">
				<mt-button icon="back">返回</mt-button>
			</span>
		</mt-header>
    <!-- 2.router-view中间内容 -->
		<router-view></router-view>
    <!-- 3.底部 tabbar -->
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">个人</span>
			</router-link>
			<router-link class="mui-tab-item" to="/cart">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge">{{$store.getters.getAllcount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>
	export default {
		data(){
			return {
				flag:false
			}
		},
		created(){
			this.flag = this.$route.path === '/home'?false:true
		},
		methods:{
			goReturn(){
				this.$router.go(-1);
			}
		},
		watch:{
			'$route.path':function(newValue){
				console.log(newValue);
				if("/home"===newValue){
					this.flag = false;
				}else{
					this.flag = true;
				}
			}
		}
	}
</script>


<style lang="scss" scoped>
  .container {
    padding-top: 40px;
		padding-bottom: 50px;
  }
</style>
